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Jack's stack

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QuestionAnswer
star a huge, hot, glowing ball of gas in the sky
nuclear fusion when the nuclei of two or mor atoms join to form a single, larger nucleus
light-year the distance light travels in one year
magnitude the brightness of a star
constellation a group of stars
galaxy a huge grouping of stars
solar system the Sun and the cluster of bodies around it
astronomical unit the average distance of Earth from the Sun
Created by: restauclass